Cathode rays are: – McqOptions

MCQOPTIONS

1.	Cathode rays are:
A.	Negatively charged
B.	Positively charged
C.	It makes the beak strong and is used for cracking seeds.
D.	All above
E.	None of these
Answer» B. Positively charged

Discussion

No Comment Found

Related MCQs

All samples of pure water contain hydrogen and oxygen in the mass ratio of\[1:8\].To which of the following laws does the above statement is in agreement?
Calculate the weight in grams present in \[0.7\] moles of sodium.
What weight of calcium contains the same number of atoms as those in \[3\text{ }g\] of carbon?
The isotopes contain the same number of____ and different number of______.
Number of atoms present in \[5g\] of \[NaN{{O}_{3}}\]is:
Calculate the mass of \[{{H}_{2}}{{O}_{2}}\] contained in \[0.4\] mole of\[{{H}_{2}}{{O}_{2}}\].
How many grams of sodium oxalate are to be weighed to get 0.1 mole of sodium oxalate\[(N{{a}_{2}}{{C}_{2}}{{O}_{4}})\]?
The percentage of sulphur in sulphuric acid is :
The term ?mole? in chemistry was introduced by who of the following.
Number of atoms in 69 g of Na is :